using Comal.Classes;
using InABox.Core;
using System;
using System.Collections.Generic;
using System.Linq.Expressions;
using System.Text;

namespace Comal.Classes
{
    public class ScanTagRoleEmployeeCrossGenerator : AutoEntityCrossGenerator<IScanTagDistributionEmployee, ScanTagRole, EmployeeRole>
    {
        public override Expression<Func<ScanTagRole, Guid>> LeftProperty => x => x.Tag.ID;

        public override Expression<Func<IScanTagDistributionEmployee, Guid>> LeftMapping => x => x.Tag.ID;

        public override Expression<Func<ScanTagRole, Guid>> LeftLink => x => x.Role.ID;

        public override Expression<Func<EmployeeRole, Guid>> RightProperty => x => x.EmployeeLink.ID;

        public override Expression<Func<IScanTagDistributionEmployee, Guid>> RightMapping => x => x.Employee.ID;

        public override Expression<Func<EmployeeRole, Guid>> RightLink => x => x.RoleLink.ID;

        public override bool Distinct => true;

        public override Column<IScanTagDistributionEmployee>[] IDColumns => new Column<IScanTagDistributionEmployee>[]
        {
            new Column<IScanTagDistributionEmployee>(x => x.Tag.ID),
            new Column<IScanTagDistributionEmployee>(x => x.Employee.ID)
        };
    }

    [AutoEntity(typeof(ScanTagRoleEmployeeCrossGenerator))]
    public class ScanTagRoleEmployee : Entity, IRemotable, IPersistent, IScanTagDistributionEmployee, ILicense<DocumentScannerLicense>
    {
        public EmployeeLink Employee { get; set; }
        public ScanTagLink Tag { get; set; }

        protected override void Init()
        {
            base.Init();

            Employee = new EmployeeLink();
            Tag = new ScanTagLink();
        }
    }

    public interface IScanTagDistributionEmployee
    {
        public EmployeeLink Employee { get; set; }

        public ScanTagLink Tag { get; set; }
    }

    public class ScanTagDistributionUnionGenerator : AutoEntityUnionGenerator<IScanTagDistributionEmployee>
    {
        protected override void Configure()
        {
            AddTable<ScanTagEmployee>();
            AddTable<ScanTagRoleEmployee>();
        }

        public override bool Distinct => true;

        public override Column<IScanTagDistributionEmployee>[] IDColumns { get; } = new Column<IScanTagDistributionEmployee>[]
        {
            new Column<IScanTagDistributionEmployee>(x => x.Employee.ID),
            new Column<IScanTagDistributionEmployee>(x => x.Tag.ID)
        };
    }

    [AutoEntity(typeof(ScanTagDistributionUnionGenerator))]
    public class ScanTagDistributionEmployee : Entity, IRemotable, IPersistent, IScanTagDistributionEmployee, ILicense<DocumentScannerLicense>
    {
        public EmployeeLink Employee { get; set; }
        public ScanTagLink Tag { get; set; }

        protected override void Init()
        {
            base.Init();

            Employee = new EmployeeLink();
            Tag = new ScanTagLink();
        }
    }
}